QuARTz by ACO 37243 Opening Square Design Grate, 3-Feet Shallow 'v' profile to aide flow of water to outlet Channel bodies are manufactured in ABS. Grates are manufactured in 304 Stainless Steel Threaded coupling provided is compatible with any standard 2" shower drain Plastic, easy to cut adjustable leveling feet support the channel body during installation Designed for the 3ft shower opening with a Square Design Grate